ai-agent

SkillOpt: Optimize LLM Agents

Name: SkillOpt: Optimize LLM Agents
Author: microsoft

Founders get reusable natural-language skills with SkillOpt, a tool for frozen LLM agents.

intermediate⏱ 30 minutes💵 Free + LLM API costs

17,306 stars1,621 forksPythonGuide quality 8/10 · reviewed Jun 5Updated 9/5/2026100% free · open source

What it is

Train reusable natural-language skills for frozen LLM agents using pre-defined rules.

Real use case example

"A founder wants to build a chatbot that answers customer questions. They use SkillOpt to create a reusable skill for answering common questions about their product. After 30 minutes of setup, the founder tests the chatbot and finds that it answers 80% of customer queries accurately."

When to use it

•Building AI agents that need precise, repeatable language performance
•Creating specialized language models for complex task domains
•Developing self-improving conversational AI with consistent output quality

Ready-to-paste prompt

skillopt optimize --model gpt-3.5 --skill customer_support --validate_metric clarity

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/skillopt && curl -fsSL https://workflowstacks.com/api/skills/skillopt/claude-skill -o ~/.claude/skills/skillopt/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How SkillOpt: Optimize LLM Agents works

Codeflow

Free to inspect

SkillOpt: Optimize LLM Agents is a large Python project (~49k lines across 169 code files, plus 82 test files). You install it into your AI tool with one command; there is nothing to run yourself. Last commit this month, MIT license, has a test suite.

Size

Large codebase

~49k lines · 169 code files · ~7 h to skim

Setup

Install as a skill / plugin

Add it to Claude Code (or your AI tool) with one command — 5 skills inside. Nothing to run yourself.

Runs on

Inside your AI tool

Helper scripts use Python · needs API keys

Python 89%HTML 8%JavaScript 1%Shell 1%PowerShell 1%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
skillopt_webui/app.py
Where the program starts running
3
.env.example
The API keys and settings you must provide
4
skillopt/__init__.py
Inside skillopt/ — the main logic begins here

What's in each folder

skillopt/Core code — the actual logic135 files

plugins/Sub-packages / plugins66 files

docs/Documentation25 files

skillopt_sleep/Folder45 files

data/Data files25 files

configs/Configuration8 files

scripts/Helper scripts8 files

ckpt/Folder7 files

READMEHas testsDocumentedCI checksMIT licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/skillopt && curl -fsSL https://workflowstacks.com/api/skills/skillopt/claude-skill -o ~/.claude/skills/skillopt/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

microsoft

Language

Python

Do this with a working workflow

Pages we wrote and tested that put a skill like this to work — importable n8n templates, outcome guides and Claude Desktop configs.

Free n8n template

AI Support Agent (Chat)

A chat agent that answers customer questions from YOUR business info — with conversation memory. It never invents policies; anything it doesn't know, it hands to a human.